17 octobre 2015
An emerald and diamond 'Trombino' ring, by Bulgari
A 4.20 carats Colombian emerald and diamond 'Trombino' ring, by Bulgari. Estimate: $60,000 – $80,000 . Photo Christie's Image Ltd 2015 Set with a rectangular-cut emerald, weighing approximately 4.20 carats, within a circular-cut diamond surround, to the...